diff --git a/dist/index.js b/dist/index.js
index 1474e3c..d5cfa8a 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -60,13 +60,13 @@ const validateSecret = (req, res, next) => {
     }
     next();
 };
+app.use(validateSecret);
 app.get('/', (req, res) => {
     res.json({
         status: 'OK',
         supportedChains: handlers_1.default.getSupportedChains(),
     });
 });
-app.use(validateSecret);
 app.post('/ping', async (req, res) => {
     try {
         const { chain, check, env } = req.body;
diff --git a/dist/utils/initEvm.js b/dist/utils/initEvm.js
index c634970..4cc2130 100644
--- a/dist/utils/initEvm.js
+++ b/dist/utils/initEvm.js
@@ -11,39 +11,37 @@ const initEthereum = ({ contractAddress, environment, }) => {
     const config = {
         dev: {
             chain: chains_1.sepolia,
-            evmPrivateKey: evmSk,
-            infuraUrl: ethRpcUrlSepolia,
+            evmSk,
+            ethRpcUrlSepolia,
         },
         testnet: {
             chain: chains_1.sepolia,
-            evmPrivateKey: evmSk,
-            infuraUrl: ethRpcUrlSepolia,
+            evmSk,
+            ethRpcUrlSepolia,
         },
         mainnet: {
             chain: chains_1.mainnet,
-            evmPrivateKey: evmSk,
-            infuraUrl: ethRpcUrlMainnet,
+            evmSk,
+            ethRpcUrlMainnet,
         },
     }[environment];
-    if (!config.infuraUrl) {
-        throw new Error(`Infura URL for ${environment} environment is missing. Please set the ${environment === 'mainnet' ? 'ethRpcUrlMainnet' : 'ethRpcUrlSepolia'} environment variable.`);
+    if (!config.ethRpcUrlSepolia) {
+        throw new Error(`Ethereum RPC URL for ${environment} environment is missing. Please set the ${environment === 'mainnet' ? 'ethRpcUrlMainnet' : 'ethRpcUrlSepolia'} environment variable.`);
     }
-    if (!config.evmPrivateKey) {
-        throw new Error(`EVM private key for ${environment} environment is missing. Please set the ${environment === 'mainnet'
-            ? 'evmPrivateKeyMainnet'
-            : 'evmPrivateKeySepolia'} environment variable.`);
+    if (!config.evmSk) {
+        throw new Error(`EVM secret key for ${environment} environment is missing. Please set the evmSk environment variable.`);
     }
     const publicClient = (0, viem_1.createPublicClient)({
         chain: config.chain,
-        transport: (0, viem_1.http)(config.infuraUrl),
+        transport: (0, viem_1.http)(config.ethRpcUrlMainnet),
     });
-    const account = (0, accounts_1.privateKeyToAccount)((config.evmPrivateKey.startsWith('0x')
-        ? config.evmPrivateKey
-        : `0x${config.evmPrivateKey}`));
+    const account = (0, accounts_1.privateKeyToAccount)((config.evmSk.startsWith('0x')
+        ? config.evmSk
+        : `0x${config.evmSk}`));
     const walletClient = (0, viem_1.createWalletClient)({
         account,
         chain: config.chain,
-        transport: (0, viem_1.http)(config.infuraUrl),
+        transport: (0, viem_1.http)(config.ethRpcUrlMainnet),
     });
     const chainSigContract = new signet_js_1.contracts.evm.ChainSignatureContract({
         publicClient,
diff --git a/src/index.ts b/src/index.ts
index 98ab2e8..9be07d0 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -33,6 +33,8 @@ const validateSecret = (
   next();
 };
 
+app.use(validateSecret as express.RequestHandler);
+
 app.get('/', (req: express.Request, res: express.Response): void => {
   res.json({
     status: 'OK',
@@ -40,8 +42,6 @@ app.get('/', (req: express.Request, res: express.Response): void => {
   });
 });
 
-app.use(validateSecret as express.RequestHandler);
-
 app.post(
   '/ping',
   async (req: express.Request, res: express.Response): Promise<void> => {
diff --git a/src/utils/initEvm.ts b/src/utils/initEvm.ts
index 3c78a97..68fb7e4 100644
--- a/src/utils/initEvm.ts
+++ b/src/utils/initEvm.ts
@@ -15,52 +15,48 @@ export const initEthereum = ({
   const config = {
     dev: {
       chain: sepolia,
-      evmPrivateKey: evmSk,
-      infuraUrl: ethRpcUrlSepolia,
+      evmSk,
+      ethRpcUrlSepolia,
     },
     testnet: {
       chain: sepolia,
-      evmPrivateKey: evmSk,
-      infuraUrl: ethRpcUrlSepolia,
+      evmSk,
+      ethRpcUrlSepolia,
     },
     mainnet: {
       chain: mainnet,
-      evmPrivateKey: evmSk,
-      infuraUrl: ethRpcUrlMainnet,
+      evmSk,
+      ethRpcUrlMainnet,
     },
   }[environment];
 
-  if (!config.infuraUrl) {
+  if (!config.ethRpcUrlSepolia) {
     throw new Error(
-      `Infura URL for ${environment} environment is missing. Please set the ${
+      `Ethereum RPC URL for ${environment} environment is missing. Please set the ${
         environment === 'mainnet' ? 'ethRpcUrlMainnet' : 'ethRpcUrlSepolia'
       } environment variable.`
     );
   }
 
-  if (!config.evmPrivateKey) {
+  if (!config.evmSk) {
     throw new Error(
-      `EVM private key for ${environment} environment is missing. Please set the ${
-        environment === 'mainnet'
-          ? 'evmPrivateKeyMainnet'
-          : 'evmPrivateKeySepolia'
-      } environment variable.`
+      `EVM secret key for ${environment} environment is missing. Please set the evmSk environment variable.`
     );
   }
 
   const publicClient = createPublicClient({
     chain: config.chain,
-    transport: http(config.infuraUrl),
+    transport: http(config.ethRpcUrlMainnet),
   });
   const account = privateKeyToAccount(
-    (config.evmPrivateKey.startsWith('0x')
-      ? config.evmPrivateKey
-      : `0x${config.evmPrivateKey}`) as `0x${string}`
+    (config.evmSk.startsWith('0x')
+      ? config.evmSk
+      : `0x${config.evmSk}`) as `0x${string}`
   );
   const walletClient = createWalletClient({
     account,
     chain: config.chain,
-    transport: http(config.infuraUrl),
+    transport: http(config.ethRpcUrlMainnet),
   });
   const chainSigContract = new contracts.evm.ChainSignatureContract({
     publicClient,